{
  "manageEntity": {
    "action": "Update",
    "entityId": "738878430",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"StreamTime\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-07-03T10:40:59.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xc54f726f4ef3f438093a26bfdedb678dc1b2b56b359e8f3057f6d366eda8df48",
    "signature": "0xf07f5bdf008ec5306533f3a23465df6232d61e99b49614ce4da68f932181c5f868b372eefda0fb751e04eb01526d4455bd2b80dfaccad1359121a907c27008ad1c",
    "signer": "0x19336C4BeaAfDD8D24476dE5a6C3524a935c400f",
    "userId": "1891790"
  }
}